154120201 has 2 divisors, whose sum is σ = 154120202. Its totient is φ = 154120200.

The previous prime is 154120193. The next prime is 154120259. The reversal of 154120201 is 102021451.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117505600 + 36614601 = 10840^2 + 6051^2 .

It is a cyclic number.

It is not a de Polignac number, because 154120201 - 2³ = 154120193 is a prime.

It is not a weakly prime, because it can be changed into another prime (154120601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77060100 + 77060101.

It is an arithmetic number, because the mean of its divisors is an integer number (77060101).

Almost surely, 2^154120201 is an apocalyptic number.

It is an amenable number.

154120201 is a deficient number, since it is larger than the sum of its proper divisors (1).

154120201 is an equidigital number, since it uses as much as digits as its factorization.

154120201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 154120201 is about 12414.5157376355. The cubic root of 154120201 is about 536.1502616237.

Adding to 154120201 its reverse (102021451), we get a palindrome (256141652).

The spelling of 154120201 in words is "one hundred fifty-four million, one hundred twenty thousand, two hundred one".